Principal Integration Engineer

About the Team:   Enterprise Systems is the backbone of GSK’s internal operations in Digital & Tech, enabling GSK Global Functions teams such as Finance, Procurement, HR, Legal, Compliance, WREF, CGA and Corporate Secretariat to run seamlessly. This team designs and delivers cutting-edge digital platforms that power critical processes, ensuring efficiency, compliance, and scalability across the enterprise.    Enterprise Systems Management & Business Operations delivers digital solutions that support Enterprise Systems running as a high-performing organisation. This team drives financial discipline, operational rigour and strategic alignment across the ES portfolio that safeguard GSK’s integrity and reputation globally. By joining this team, you’ll help shape systems that support thousands of employees worldwide, driving innovation and reliability in the tools that keep GSK moving forward.     Job Purpose: Integration Engineer provides technical leadership for the design, implementation and lifecycle management of data integrations connecting shop-floor and laboratory systems with site, enterprise and R&D data platforms. The role focuses on ISA-95 (International Society of Automation standard 95) Levels 2, 3 and 5, enabling governed and contextualized data flow from automation and equipment through manufacturing operations systems to enterprise, analytics and scientific environments.    The role leads integration across Manufacturing, MSAT (Manufacturing Science and Technology), Quality, Laboratory, CMC and R&D use cases, including Factory Integration Layer (FIL) capabilities, industrial connectivity, event-driven integration, canonical data models, Unified Namespace patterns, APIs and secure cloud or edge interfaces. The job holder ensures solutions preserve manufacturing context, genealogy, data integrity and semantic meaning while aligning with approved architecture, cyber security, validation and engineering standards.    The role coordinates automation, OT, IT, data, cloud, application and scientific teams and acts as the technical lead for complex cross-layer delivery and operational issues. It develops reusable interface patterns, engineering standards, test strategies, monitoring and support documentation, and strengthens capability through coaching and knowledge transfer.    Key Responsibilities: • Lead end-to-end integration design across ISA-95 Level 2 control and equipment systems, Level 3 manufacturing operations systems, and Level 5 enterprise, cloud, analytics and R&D platforms.  • Use approved AI tools in your day-to-day work to improve your own productivity and your team’s ways of working, sharing what works and applying sound judgement, including validating outputs and following GSK’s Responsible AI, privacy and security requirements  • Own technical quality for FIL and related integration services, including interface specifications, data contracts, mappings, configuration records, deployment artefacts, test evidence and operational acceptance criteria.  • Perform troubleshooting and root-cause analysis, with timely escalation where manufacturing batches, product quality, patient supply or data integrity may be affected.  • Design and configure secure interfaces, data pipelines, event streams, APIs and data models that integrate automation, historians, MES (Manufacturing Execution System) / Electronic Batch Record. (Manufacturing Operations Management), LIMS ( Laboratory Information Management System), LES (Laboratory Execution System), PAT (Process Analytical Technology), laboratory instruments, asset systems and enterprise or scientific data platforms.  • Analyse message flows, logs, traces, metrics, data-quality controls and system behaviour across edge, site and cloud components to identify defects, l